# XIAO ESP32/MOSFET/BUCK CONVERTOR ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** proh2o - **Created:** 11/22/2025 - **Last Updated:** 11/25/2025 - **Visibility:** Public - **Stars:** 1 ## Key Components ### D1 — [1N4007W](https://www.flux.ai/vasy_skral/1n4007w.md) - Datasheet URL: https://www.evvosemi.com/Uploads/file/20240515/2024051515581665.pdf - Manufacturer Name: Shandong Jingdao Microelectronics - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 1N4007W **Pins:** - A [pin 2] - K [pin 1] ### J1 — [Pin Header 01x04 2.54mm Horizontal](https://www.flux.ai/adrian95/pin-header-01x04-254mm-horizontal.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### LS1 — [CMT-7525-80-SMT-TR](https://www.flux.ai/adrian95/cmt-7525-80-smt-tr.md) - Datasheet URL: https://www.cuidevices.com/product/resource/cmt-7525-80-smt-tr.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Same Sky (Formerly CUI Devices) - Part Type: Buzzer - Manufacturer Part Number: CMT-7525-80-SMT-TR **Pins:** - - [pin 2] - + [pin 1] ### Q1 — [IRLR7843TRPBF](https://www.flux.ai/jecstronic/irlr7843trpbf.md) - Manufacturer Part Number: IRLR7843TRPBF - Manufacturer Name: Infineon Technologies - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.mouser.com/datasheet/2/196/Infineon_IRLR7843_DataSheet_v01_01_EN-3363700.pdf - Part Type: Mosfet **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### U1 — [Seeed Studio XIAO ESP32C3](https://www.flux.ai/seeedstudio/seeed-studio-xiao-esp32c3.md) - Purchase Url: https://www.seeedstudio.com/Seeed-XIAO-ESP32C3-p-5431.html - Part Type: Microcontroller - Datasheet URL: https://files.seeedstudio.com/wiki/XIAO_WiFi/Resources/esp32-c3_datasheet.pdf - Manufacturer Name: Seeed Studio - Manufacturer Part Number: 113991054 **Pins:** - 3V3 [pin 12] - 5V [pin 14] - D10_MOSI_D10 [pin 11] - D7_RX_GPIO20 [pin 8] - D8_SCK_GPIO8 [pin 9] - D9_MISO_GPIO9 [pin 10] - GND [pin 13] - GPIO2_A0_D0 [pin 1] - GPIO21_TX_D6 [pin 7] - GPIO3_A1_D1 [pin 2] - GPIO4_A2_D2 [pin 3] - GPIO5_A3_D3 [pin 4] - GPIO6_SDA_D4 [pin 5] - GPIO7_SCL_D5 [pin 6] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/proh2o/xiao-esp32mosfetbuck-convertor](https://www.flux.ai/proh2o/xiao-esp32mosfetbuck-convertor).* --- *Generated from [https://www.flux.ai/proh2o/xiao-esp32mosfetbuck-convertor](https://www.flux.ai/proh2o/xiao-esp32mosfetbuck-convertor)*